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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Alcohol-induced testicular atrophy. An experimental model for hypogonadism occurring in chronic alcoholic men.

Elucidation of mechanisms involved in the hypogonadism and feminization observed in chronic alcoholic men requires the development of an experimental animals model system. Such an animal system should be inducible with ethanol feeding and should duplicate endocrine changes known to occur in chronic alcoholic men. We report such an animal model system. Animals fed a diet with ethanol accounting for 36% of total calories develop significant testicular, prostatic, and seminal vesicle atrophy (P less than 0.01) and greatly reduced plasma testosterone levels (P less than 0.01). Animals fed a similar diet with sucrose isocalorically substituted for ethanol do not. Testicular, prostatic, and seminal vesicular mass relative to body mass and plasma testosterone levels in these isocaloric control animals do not vary significantly from those obtained for age-matched control animals fed an ad libitum rat chow diet. These findings indicate that the caloric deprivation associated with chronic ethanol ingestion is not responsible for gonadal injury and atrophy of the sex steroid-sensitive tissues in the alcohol-fed animals. This animal model provides a useful means of directly examining perturbation in gonadal function that occurs in man as a consequence of chronic ethanol ingestion and confirms our previous data which suggest that ethanol is a primary testicular toxin.[1]

References

  1. Alcohol-induced testicular atrophy. An experimental model for hypogonadism occurring in chronic alcoholic men. Van Thiel, D.H., Gavaler, J.S., Lester, R., Goodman, M.D. Gastroenterology (1975) [Pubmed]
 
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